enh: enable show grants in community version

source/common/src/systable.c

@@ -175,7 +175,7 @@ static const SSysDbTableSchema userUsersSchema[] = {
 };
 
 static const SSysDbTableSchema grantsSchema[] = {
-    {.name = "version", .bytes = 8 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
+    {.name = "version", .bytes = 9 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "expire time", .bytes = 19 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "expired", .bytes = 5 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "storage(GB)", .bytes = 21 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},

source/dnode/mnode/impl/inc/mndGrant.h

@@ -20,6 +20,8 @@
 "C" {
 #endif
 
+#include "mndInt.h"
+
 typedef enum {
   TSDB_GRANT_ALL,
   TSDB_GRANT_TIME,

source/dnode/mnode/impl/src/mndGrant.c

@@ -14,19 +14,115 @@
  */
 
 #define _DEFAULT_SOURCE
-#include "os.h"
-#include "taoserror.h"
 #include "mndGrant.h"
-#include "mndInt.h"
 #include "mndShow.h"
 
 #ifndef _GRANT
-static int32_t mndRetrieveGrant(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows) { return 0; }
+
+static int32_t mndRetrieveGrant(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
+  int32_t numOfRows = 0;
+  char   *pWrite;
+  int32_t cols = 0;
+  char    tmp[32];
+  char    tmp1[32];
+
+  if (pShow->numOfRows < 1) {
+    cols = 0;
+    SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    const char      *src = "community";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "false";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    cols++;
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
+    src = "unlimited";
+    STR_WITH_SIZE_TO_VARSTR(tmp, src, strlen(src));
+    colDataAppend(pColInfo, numOfRows, tmp, false);
+
+    numOfRows++;
+  }
+
+  pShow->numOfRows += numOfRows;
+  return numOfRows;
+}
 
 int32_t mndInitGrant(SMnode *pMnode) {
-    mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_GRANTS, mndRetrieveGrant);
-    return TSDB_CODE_SUCCESS; 
+  mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_GRANTS, mndRetrieveGrant);
+  return 0;
 }
+
 void    mndCleanupGrant() {}
 void    grantParseParameter() { mError("can't parsed parameter k"); }
 int32_t grantCheck(EGrantType grant) { return TSDB_CODE_SUCCESS; }

tools/shell/src/shellEngine.c

@@ -886,7 +886,9 @@ void shellGetGrantInfo() {
     memcpy(expiretime, row[1], fields[1].bytes);
     memcpy(expired, row[2], fields[2].bytes);
 
-    if (strcmp(expiretime, "unlimited") == 0) {
+    if (strcmp(serverVersion, "community") == 0) {
+      fprintf(stdout, "Server is Community Edition.\n");
+    } else if (strcmp(expiretime, "unlimited") == 0) {
       fprintf(stdout, "Server is Enterprise %s Edition, %s and will never expire.\n", serverVersion, sinfo);
     } else {
       fprintf(stdout, "Server is Enterprise %s Edition, %s and will expire at %s.\n", serverVersion, sinfo, expiretime);